1. Acuña, L.I., 2006. The Economic Contribution of Root Foods and Other Geophytes in Prehistoric Texas. Unpublished Masters thesis, Department of Anthropology, Texas State University, San Marcos.
2. Intensification of food production on the Northwest Coast and elsewhere;Ames,2005
3. Villages, demography, and subsistence intensification on the southern Columbia plateau;Ames;N. Am. Archaeol.,1980
4. The Paleoindian and Early Archaic Southeast;Anderson,1996
5. Open station shell midden sites and associated features from the Pearly Beach area, south-western Cape;Avery;S. Afr. Archaeol. Bull.,1974